WSL2-Linux-Kernel/arch/arm/mach-omap1/board-palmtt.c

358 строки
8.1 KiB
C

/*
* linux/arch/arm/mach-omap1/board-palmtt.c
*
* Modified from board-palmtt2.c
*
* Modified and amended for Palm Tungsten|T
* by Marek Vasut <marek.vasut@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/clk.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/leds.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <mach/led.h>
#include <mach/mcbsp.h>
#include <mach/gpio.h>
#include <mach/mux.h>
#include <mach/usb.h>
#include <mach/dma.h>
#include <mach/tc.h>
#include <mach/board.h>
#include <mach/irda.h>
#include <mach/keypad.h>
#include <mach/common.h>
#include <mach/omap-alsa.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
static int palmtt_keymap[] = {
KEY(0, 0, KEY_ESC),
KEY(0, 1, KEY_SPACE),
KEY(0, 2, KEY_LEFTCTRL),
KEY(0, 3, KEY_TAB),
KEY(0, 4, KEY_ENTER),
KEY(1, 0, KEY_LEFT),
KEY(1, 1, KEY_DOWN),
KEY(1, 2, KEY_UP),
KEY(1, 3, KEY_RIGHT),
KEY(2, 0, KEY_SLEEP),
KEY(2, 4, KEY_Y),
0
};
static struct mtd_partition palmtt_partitions[] = {
{
.name = "write8k",
.offset = 0,
.size = SZ_8K,
.mask_flags = 0,
},
{
.name = "PalmOS-BootLoader(ro)",
.offset = SZ_8K,
.size = 7 * SZ_8K,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "u-boot",
.offset = MTDPART_OFS_APPEND,
.size = 8 * SZ_8K,
.mask_flags = 0,
},
{
.name = "PalmOS-FS(ro)",
.offset = MTDPART_OFS_APPEND,
.size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "u-boot(rez)",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0
},
{
.name = "empty",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct flash_platform_data palmtt_flash_data = {
.map_name = "cfi_probe",
.width = 2,
.parts = palmtt_partitions,
.nr_parts = ARRAY_SIZE(palmtt_partitions),
};
static struct resource palmtt_flash_resource = {
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_8M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device palmtt_flash_device = {
.name = "omapflash",
.id = 0,
.dev = {
.platform_data = &palmtt_flash_data,
},
.num_resources = 1,
.resource = &palmtt_flash_resource,
};
#define DEFAULT_BITPERSAMPLE 16
static struct omap_mcbsp_reg_cfg mcbsp_regs = {
.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
.spcr1 = RINTM(3) | RRST,
.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) |
RWDLEN1(OMAP_MCBSP_WORD_16),
.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) |
XWDLEN1(OMAP_MCBSP_WORD_16),
.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
.srgr2 = GSYNC | CLKSP | FSGM |
FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
};
static struct omap_alsa_codec_config alsa_config = {
.name = "PalmTT AIC23",
.mcbsp_regs_alsa = &mcbsp_regs,
.codec_configure_dev = NULL, /* aic23_configure, */
.codec_set_samplerate = NULL, /* aic23_set_samplerate, */
.codec_clock_setup = NULL, /* aic23_clock_setup, */
.codec_clock_on = NULL, /* aic23_clock_on, */
.codec_clock_off = NULL, /* aic23_clock_off, */
.get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
};
static struct platform_device palmtt_mcbsp1_device = {
.name = "omap_alsa_mcbsp",
.id = 1,
.dev = {
.platform_data = &alsa_config,
},
};
static struct resource palmtt_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static struct omap_kp_platform_data palmtt_kp_data = {
.rows = 6,
.cols = 3,
.keymap = palmtt_keymap,
};
static struct platform_device palmtt_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &palmtt_kp_data,
},
.num_resources = ARRAY_SIZE(palmtt_kp_resources),
.resource = palmtt_kp_resources,
};
static struct platform_device palmtt_lcd_device = {
.name = "lcd_palmtt",
.id = -1,
};
static struct omap_irda_config palmtt_irda_config = {
.transceiver_cap = IR_SIRMODE,
.rx_channel = OMAP_DMA_UART3_RX,
.tx_channel = OMAP_DMA_UART3_TX,
.dest_start = UART3_THR,
.src_start = UART3_RHR,
.tx_trigger = 0,
.rx_trigger = 0,
};
static struct resource palmtt_irda_resources[] = {
[0] = {
.start = INT_UART3,
.end = INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device palmtt_irda_device = {
.name = "omapirda",
.id = -1,
.dev = {
.platform_data = &palmtt_irda_config,
},
.num_resources = ARRAY_SIZE(palmtt_irda_resources),
.resource = palmtt_irda_resources,
};
static struct platform_device palmtt_spi_device = {
.name = "spi_palmtt",
.id = -1,
};
static struct omap_backlight_config palmtt_backlight_config = {
.default_intensity = 0xa0,
};
static struct platform_device palmtt_backlight_device = {
.name = "omap-bl",
.id = -1,
.dev = {
.platform_data= &palmtt_backlight_config,
},
};
static struct omap_led_config palmtt_led_config[] = {
{
.cdev = {
.name = "palmtt:led0",
},
.gpio = PALMTT_LED_GPIO,
},
};
static struct omap_led_platform_data palmtt_led_data = {
.nr_leds = ARRAY_SIZE(palmtt_led_config),
.leds = palmtt_led_config,
};
static struct platform_device palmtt_led_device = {
.name = "omap-led",
.id = -1,
.dev = {
.platform_data = &palmtt_led_data,
},
};
static struct platform_device *palmtt_devices[] __initdata = {
&palmtt_flash_device,
&palmtt_mcbsp1_device,
&palmtt_kp_device,
&palmtt_lcd_device,
&palmtt_irda_device,
&palmtt_spi_device,
&palmtt_backlight_device,
&palmtt_led_device,
};
static int palmtt_get_pendown_state(void)
{
return !gpio_get_value(6);
}
static const struct ads7846_platform_data palmtt_ts_info = {
.model = 7846,
.vref_delay_usecs = 100, /* internal, no capacitor */
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.get_pendown_state = palmtt_get_pendown_state,
};
static struct spi_board_info __initdata palmtt_boardinfo[] = {
{
/* MicroWire (bus 2) CS0 has an ads7846e */
.modalias = "ads7846",
.platform_data = &palmtt_ts_info,
.irq = OMAP_GPIO_IRQ(6),
.max_speed_hz = 120000 /* max sample rate at 3V */
* 26 /* command + data + overhead */,
.bus_num = 2,
.chip_select = 0,
}
};
static void __init omap_palmtt_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
}
static struct omap_usb_config palmtt_usb_config __initdata = {
.register_dev = 1,
.hmc_mode = 0,
.pins[0] = 2,
};
static struct omap_lcd_config palmtt_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_uart_config palmtt_uart_config __initdata = {
.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
};
static struct omap_board_config_kernel palmtt_config[] __initdata = {
{ OMAP_TAG_USB, &palmtt_usb_config },
{ OMAP_TAG_LCD, &palmtt_lcd_config },
{ OMAP_TAG_UART, &palmtt_uart_config },
};
static void __init omap_mpu_wdt_mode(int mode) {
if (mode)
omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
else {
omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
}
}
static void __init omap_palmtt_init(void)
{
omap_mpu_wdt_mode(0);
omap_board_config = palmtt_config;
omap_board_config_size = ARRAY_SIZE(palmtt_config);
platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
}
static void __init omap_palmtt_map_io(void)
{
omap1_map_common_io();
}
MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = omap_palmtt_map_io,
.init_irq = omap_palmtt_init_irq,
.init_machine = omap_palmtt_init,
.timer = &omap_timer,
MACHINE_END